Phaser 7500 Printer Service Manual 3-283
Error Messages and Codes
M Disp Motor Fail
The Magenta Toner Cartridge empty was detected empty regardless of low usage
of toner from Magenta Toner Cartridge.
Applicable Chain-Link Code
• 093-315: M Disp Motor Fail
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
1. Turn the power Off and On.
2. Examine the toner feed system for clumped toner.
3. Replace the Toner Cartridge (M) (REP 1.1, page 8-9).
4. Perform the Dispenser Motors test in Diagnostics.
5. Check the drive transmission path in the Dispense Assembly. If no problems
are found, replace the MCU PWB (REP 18.12, page 8-202).
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Toner Cartridge (M), PL5.1.3
■ MCU PWB, PL18.3.6
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